Earlier quoted context omitted.
>> How do people even know how much bitcoin activity is real and not essentially faked? Define fake
I do not think it would be difficult for someone to setup a website and scam newbies into buying 'bitcoin', handing over credit card info and taking wire transfers. Perhaps even act legit to start and then segue into only processing part of transactions as real. Quite a ponzi. I don't think is a stretch either. There isn't anything comparable that people would give you money for and the key really is the overwhelming…
Essentially, if you interact with banks and have too many chargebacks or complaints, you'll be dropped. Or your fees will get massive. And that's if you find a payment processor who's happy with you taking money for cryptocurrencies in the first place.